Update package name in native-image.properties.

Author: woess

src/main/java/META-INF/native-image/org.graalvm.ruby/native-image.properties

@@ -2,4 +2,4 @@
 
 Args = -H:MaxRuntimeCompileMethods=5400 \
        -H:+AddAllCharsets \
-       --initialize-at-build-time=org.truffleruby,org.jcodings,org.joni,org.prism
+       --initialize-at-build-time=org.truffleruby,org.graalvm.shadowed.org.joni,org.prism